Action Comics 1938 #251 - 1.5 - $40.00

When Clark Kent drinks Prof. Vance's life-extending vitamin serum, which contains particles of Kryptonite, it ages him to about 70 years old. Since his robots won't respond to his aged voice, Superman must fulfill his duties as the Old Man of the Sea, Santa Claus, and Father Time so that no one realizes that Clark Kent is Superman.

advocating tolerance for those different from yourself

Murderer Corliss Hyde hijacks a passenger plane, which crashes into the jungle. Congo Bill, as Congorilla, saves the crew, but not before Hyde realizes that there's an intelligent mind directing the gorilla. Using gas grenades, he puts Congorilla to sleep, and fits him with an explosive collar, forcing him to commit crimes.

Tommy and the Planeteers battle a giant space amoeba.

On-sale date from copyright registration.

• Draw Lincoln - Inside front cover.
• What's Your B. Q.*? (*Brotherhood Quotient) - Published in cooperation with the National Social Welfare Assembly. Later appeared in DC comics cover-dated April 1966.
• Introducing the Girl of Steel! - Full page ad introducing the Supergirl strip which is to start next issue.
• - Letters submitted by Carol Oberman; Lillian Stevens; Scott Patterson; Andrew Feinberg; Ben Kalb; Victor Wheatman; Mike Hutcheson; Jeff Gerard. Includes an announcement that Tommy Tomorrow will be relocating to World's Finest Comics and that Supergirl will be joining the Action lineup. Also, an interesting question from a reader wondering whatever became of the character Captain Marvel.
• - Secret message (Code Saturn No. 5) and application form for the Supermen of America club. Decoded message reads: "Be honest with yourself and you will be honest with everyone."
• The Giant Amoeba of Space! - Tommy next appears in World's Finest #102 (June 1959), replacing Tomahawk.
• - Inside back cover.
• - Back cover.